
Propietats de les potències
Presentation
•
Mathematics
•
1st Grade
•
Practice Problem
•
Easy
Noelia Raga
Used 6+ times
FREE Resource
10 Slides • 8 Questions
1
les potències
2
23
Base
Exponent
3
Multiple Choice
57 : La base es …. i l'exponent és …..
La base és 7 i l'exponent és 5
La base és 5 i l'exponent és 7
4
Per calcular una potència, es multiplica la base tantes vegades como indica l'exponent.
a) 32= 3 · 3 = 9
b) 53 = 5 · 5 · 5 = 125
c) 03=0
d) 71 = 7 (observa que l'exponent 1 no fa cap paper i per això no es posa)
5
Multiple Choice
34 és
4·4·4·4
3·3·3
4·4·4
3·3·3·3
6
PROPIETATS DE LES potències
7
Producte de potències de la mateixa base:
Es deixa la mateixa base i es sumen els exponents:
35 · 34 = 35+4 = 39
3·3·3·3·3·3·3·3·3 = 39
8
Multiple Choice
54⋅57
54
511
53
528
9
Simplificar
10
Multiple Choice
710: 75
750
715
72
75
11
12
Multiple Select
25: 25
1
210
225
20
13
14
Multiple Choice
(32)6=
34
32
312
33
15
Producte de potències del mateix exponent:
Es multipliquen les bases i es deixa el mateix exponent.
25 · 35 = 65
16
Multiple Choice
74 · 34 =
104
214
100
44
17
Divisió de potències del mateix exponent:
Es divideixen les bases i es deixa el mateix exponent.
125 : 35 = 45
18
Multiple Choice
125:35
45
410
425
40
les potències
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